First order gain and index coupled distributed feedback lasers in ZnSe‐based structures with finely tunable emission wavelengths
作者:
D. Eisert,
G. Bacher,
N. Mais,
J. P. Reithmaier,
A. Forchel,
B. Jobst,
D. Hommel,
G. Landwehr,
期刊:
Applied Physics Letters
(AIP Available online 1996)
卷期:
Volume 68,
issue 5
页码: 599-601
ISSN:0003-6951
年代: 1996
DOI:10.1063/1.116480
出版商: AIP
数据来源: AIP
摘要:
First order gain and index coupled distributed feedback (DFB) gratings were realized in ZnSe‐based laser structures using direct implantation with a focused ion beam for gain‐modulated structures and conventional electron beam lithography for index modulation. With both technologies, gratings with periods below 90 nm could be achieved, permitting DFB emission in the blue spectral range. Fine tuning of the emission wavelength in steps of 0.14 nm is demonstrated by sampled DFB gratings based on a periodic modulation of the resonator period. ©1996 American Institute of Physics.
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